<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport"
content="initial-scale=1.0, user-scalable=no, width=device-width">
<style type="text/css">
body, html, #container {
height: 100%;
margin: 0px;
font-size: 12px;
}
//這個是去掉地圖上左下角的高德圖標
.amap-logo,.amap-copyright{
display: none!important;
}
</style>
<link rel="stylesheet"
href="http://cache.amap.com/lbs/static/main1119.css" />
<script src="http://cache.amap.com/lbs/static/es5.min.js"></script>
<script
src="http://webapi.amap.com/maps?v=1.4.0&key=你申請的key"></script>
<script type="text/javascript"
src="http://cache.amap.com/lbs/static/addToolbar.js"></script>
下面貼出部分代碼
var map = new AMap.Map('container', {
resizeEnable : true
});
var marker,circle,polygon;
AMap.plugin([ 'AMap.ToolBar', 'AMap.Scale'], function() {
map.addControl(new AMap.ToolBar());
map.addControl(new AMap.Scale());
//map.addControl(new AMap.MapType({defaultType:0,showRoad:true}));
});
function setMapPosition(lng,lat){
map.setZoomAndCenter(12,new AMap.LngLat(""+lng,""+lat));
}
function clearMarker(){
marker.setMap(null);
}
function clearCircle(){
circle.setMap(null);
}
function clearPolygon(){
polygon.setMap(null);
}
function addMarker(lng,lat) {
marker = new AMap.Marker({
icon: "http://webapi.amap.com/theme/v1.3/markers/n/mark_b.png"
});
marker.setPosition(new AMap.LngLat(""+lng,""+lat));
marker.setMap(map);
}
//這是設置電子圍欄(圓形的,參數是經度、緯度、半徑)
function addCircle(lng,lat,r) {
r = parseFloat(r)*1000;
circle = new AMap.Circle({
center: new AMap.LngLat(""+lng,""+lat),// 圓心位置
radius: r, //半徑,單位:米
strokeColor: "#F33", //線顏色
strokeOpacity: 1, //線透明度
strokeWeight: 1, //線粗細度
fillColor: "#ee2200", //填充顏色
fillOpacity: 0.15//填充透明度
});
map.setZoomAndCenter(12,new AMap.LngLat(""+lng,""+lat));
circle.setMap(map);
}
//設置電子圍欄(矩形的,參數是經度、緯度、寬度、高度),算法得到的結果是近似的,但相差不是很大
function addPolygon(lng,lat,w,h){
var R = 6378.137 * 1;
lng = lng * 1;
lat = lat * 1;
w = w * 1;
h = h * 1;
var a = 0.25*w/R;
var b = 360/Math.PI;
var c = lat*Math.PI/180;
var m1 = lng + (b)*Math.asin(Math.sin(a)/Math.cos(c));
var m2 = lng - (b)*Math.asin(Math.sin(a)/Math.cos(c));
var n1 = lat + 90*h/(R*Math.PI);
var n2 = lat - 90*h/(R*Math.PI);
var polygonArr = new Array();
polygonArr.push(new AMap.LngLat(""+m1,""+n1));
polygonArr.push(new AMap.LngLat(""+m2,""+n1));
polygonArr.push(new AMap.LngLat(""+m2,""+n2));
polygonArr.push(new AMap.LngLat(""+m1,""+n2));
polygon = new AMap.Polygon({
path: polygonArr,//設置多邊形邊界路徑
strokeColor: "#F33", //線顏色
strokeOpacity: 1, //線透明度
strokeWeight: 1, //線寬
fillColor: "#ee2200", //填充色
fillOpacity: 0.15//填充透明度
});
map.setZoomAndCenter(12,new AMap.LngLat(""+lng,""+lat));
polygon.setMap(map);
}